Ex 14.3, 3 Check whether the following pair of statements is negation of each other. Give reasons for the answer. x + y = y + x is true for every real numbers x and y. There exists real number x and y for which x + y = y + x. The negation of first statement is There exists real numbers x & y for which x + y y + x Which is not equal to second statement. Hence given statement is false

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.

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